OpenTechnical

OT-2026-000072385

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000072385) never changes.

Identity and time

Publication numberOT-2026-000072385 · never reused
Internal UUID01a0ae92-47c3-752a-a4c3-95d36edd23f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072385
StatusPUBLIC

Content hashes

Canonical text1f1396a444de167886dd4a2c2eea16e34a45722600bc5017051dfa4c1c336dee
Markdown196f696d73fc4881be06b8d06e6ab765a4320df82b053532371d3e3413b9cf66
PDF
Publication page7c347bf31de0d106c07e5f159a6913cd40d22124f90b8a3cb89d11e60772eb4b
Manifest7acb06548d628a204b7ea8bc61de67cc6d44a65c5daa82efef280cc9bfb1385a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureRtdkpjgJdHsTjlMg3xvFUXgjw1Qg0FdAxXniXzLEPqWCCfVFn4SZT4YlpEtqk2lq9JloEHjyvvBr/d9ZkFVxCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:37.402705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072385
observed 7c347bf31de0d106c07e5f159a6913cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.387224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072385/manifest.json
observed 7acb06548d628a204b7ea8bc61de67cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.371051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072385/publication.md
observed 196f696d73fc4881be06b8d06e6ab765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.353380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072385/publication.txt
observed 1f1396a444de167886dd4a2c2eea16e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.